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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Babar Collaboration | - |
dc.contributor.author | Azzolini, Virginia | - |
dc.contributor.author | López-March, Neus | - |
dc.contributor.author | Martínez-Vidal, Fernando | - |
dc.contributor.author | Milanés, Diego A. | - |
dc.contributor.author | Oyanguren, Arantza | - |
dc.contributor.author | Aubert, B. | - |
dc.date.accessioned | 2010-03-08T11:28:39Z | - |
dc.date.available | 2010-03-08T11:28:39Z | - |
dc.date.issued | 2009-02-09 | - |
dc.identifier.citation | Physical Review - Section D - Particles and Fields 79 (3): 032002 (2009) | en_US |
dc.identifier.issn | 1550-7998 | - |
dc.identifier.uri | http://hdl.handle.net/10261/22051 | - |
dc.description.abstract | We present new measurements of time-dependent CP asymmetries for B-0 -> D-(*()+) D-(*()-) decays using (467 +/- 5) X 10(6) B (B) over bar pairs collected with the BABAR detector located at the PEP-II B Factory at the Stanford Linear Accelerator Center. We determine the CP-odd fraction of the B-0 -> D-(*()+) D-(*()-) decays to be R-perpendicular to = 0.158 +/- 0.028 +/- 0.006 and find CP asymmetry parameters S+ = -0.76 +/- 0.16 +/- 0.04 and C+ = +0.00 +/- 0.12 +/- 0.02 for the CP-even component of this decay and S-perpendicular to = -1.80 +/- 0.70 +/- 0.16 and C-perpendicular to = +0.41 +/- 0.49 +/- 0.08 for the CP-odd component. We measure S = -0.63 +/- 0.36 +/- 0.05 and C = -0.07 +/- 0.23 +/- 0.03 for B-0 -> D+D-, S = -0.62 +/- 0.21 +/- 0.03 and C = +0.08 +/- 0.17 +/- 0.04 for B-0 -> D*D-+(-), and S = -0.73 +/- 0.23 +/- 0.05 and C = +0.00 +/- 0.17 +/- 0.03 for B-0 -> D+D*(-). For the B-0 -> D*(+/-) D-+/- decays, we also determine the CP-violating asymmetry (A) over bar = +0.008 +/- 0.048 +/- 0.013. In each case, the first uncertainty is statistical and the second is systematic. The measured values for the asymmetries are all consistent with the standard model. | en_US |
dc.description.sponsorship | We are grateful for the extraordinary contributions of our PEP-II colleagues in achieving the excellent luminosity and machine conditions that have made this work possible. The success of this project also relies critically on the expertise and dedication of the computing organizations that support BABAR. The collaborating institutions wish to thank SLAC for its support and the kind hospitality extended to them. This work is supported by the U.S. Department of Energy and National Science Foundation, the Natural Sciences and Engineering Research Council (Canada), the Commissariat à l'Energie Atomique and Institut National de Physique Nucléaire et de Physique des Particules (France), the Bundesministerium für Bildung und Forschung and Deutsche Forschungsgemeinschaft (Germany), the Istituto Nazionale di Fisica Nucleare (Italy), the Foundation for Fundamental Research on Matter (The Netherlands), the Research Council of Norway, the Ministry of Education and Science of the Russian Federation, Ministerio de Educación y Ciencia (Spain), and the Science and Technology Facilities Council (United Kingdom). Individuals have received support from the Marie-Curie IEF program (European Union) and the A. P. Sloan Foundation. | en_US |
dc.format.extent | 303072 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | American Physical Society | en_US |
dc.rights | openAccess | en_US |
dc.title | Measurements of time-dependent CP asymmetries in B-0 -> D-(*()+) D-(*()-) decays | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1103/PhysRevD.79.032002 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/ 10.1103/PhysRevD.79.032002 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
item.openairetype | artículo | - |
item.languageiso639-1 | en | - |
item.grantfulltext | open | - |
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time dependent CP 2.pdf | 295,97 kB | Adobe PDF | Visualizar/Abrir |
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